Khazars were considered door proselytes by Levite Pharisees as well. In the end, they're not a race, they're a cult. There's Yemenite Jews, Kaifeng Jews, Korean and Japense Jews, Mongolian Jews, Ethiopian Jews, etc., etc.

There's no such thing as a full blooded Jew. While racialist Jews might claim they're a high IQ race, they are only doing so as a survival tactic because the religion of Judaism is retarded and has no redeeming qualities whatsoever.